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Which regular expression operator means 'Don't' match this character?
*, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help.
4 Answers...
Turning multi-line string into single comma-separated
...rated? awk -v ORS=| '{ print $1 }' DCMC.rtf | sed 's/,$/\n/' am getting an error
– Yogesh
Oct 4 '17 at 15:41
2
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Best way to list files in Java, sorted by Date Modified?
...ied might change while sorting end result in a Comparison Method Violation Error, see: stackoverflow.com/questions/20431031 See stackoverflow.com/a/4248059/314089 for a possible better solution.
– icyerasor
Jan 28 '15 at 19:05
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What's the canonical way to check for type in Python?
... @nyuszika7h, In Python3 hasattr only supresses an AttributeError - See: docs.python.org/3.4/library/functions.html#hasattr
– ideasman42
Dec 26 '14 at 3:46
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What is the easiest way to remove all packages installed by pip?
...at I just ran into) whereas wipeenv while within the environment throws an error and doesn't remove anything if used in the context of a pip install -e development build, attempting to use virtualenv --clear MYENV doesn't throw an error and removes none of the packages that you may have installed pr...
How do I return NotFound() IHttpActionResult with an error message or exception?
... different. Here's how you might do it in your case (assuming you want the error message in text/plain; if you want JSON, you'd do something slightly different with the content):
public class NotFoundTextPlainActionResult : IHttpActionResult
{
public NotFoundTextPlainActionResult(string message...
ProcessBuilder: Forwarding stdout and stderr of started processes without blocking the main thread
... so called StreamGobbler (which you are started to create):
StreamGobbler errorGobbler = new StreamGobbler(p.getErrorStream(), "ERROR");
// any output?
StreamGobbler outputGobbler = new StreamGobbler(p.getInputStream(), "OUTPUT");
// start gobblers
outputGobbler.start();
errorGobbler.start();
....
How can I convert string date to NSDate?
...let date = dateFormatter.date(from: /* your_date_string */) else {
fatalError("ERROR: Date conversion failed due to mismatched format.")
}
// use date constant here
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How are multi-dimensional arrays formatted in memory?
In C, I know I can dynamically allocate a two-dimensional array on the heap using the following code:
6 Answers
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What is an idiomatic way of representing enums in Go?
... Then you might do something a bit like this:
package main
import (
"errors"
"fmt"
)
var Colors = newColorRegistry()
type Color struct {
StringRepresentation string
Hex string
}
func (c *Color) String() string {
return c.StringRepresentation
}
func newColor...